Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change. In Iceland, Chris Packham learns more about the effects of global warming as local sea temperatures rise. Ella Al-Shamahi visits Cambodia in Southeast Asia, an area experiencing increasing economic growth. However, this expansion is putting massive pressure on natural resources.

Liz Bonnin travels to California to learn about the increasingly invasive wildfires and visits the Pacific coast where warming seas have brought with them a new resident, great white sharks. Ade Adepitan travels to Kenya to look at the effects rising temperatures are having on the land. Gordon Buchanan discovers a pioneering project in Brazil that is trying to save an iconic predator: the jaguar.